申请人:Takeda Chemical Industries, Ltd.
公开号:EP0160969A2
公开(公告)日:1985-11-13
A cephem compound of the formula:
wherein R, is an optionally protected amino group; Q is a nitrogen atom or a C-R2 group; R2 is a hydrogen or halogen atom; R3 is a hydrogen atom or a hydrocarbon residue which may be substituted; R4 is a hydrogen atom or a methoxy group; R5 is a nitrogen-containing aromatic heterocyclic group which may be substituted; A denotes that further substituted or substituents may be present on the pyridine ring; n is 0 or 1 or a physiologically or pharmaceutically acceptable salt or ester thereof.
This compound is novel and has an excellent antibacterial activity.
式中的一种头孢氨苄化合物:
其中,R 是可选保护的氨基;Q 是氮原子或 C-R2 基团;R2 是氢原子或卤素原子;R3 是氢原子或可被取代的烃残基;R4 是氢原子或甲氧基;R5 是可被取代的含氮芳香杂环基团;A 表示吡啶环上可存在进一步取代或被取代基团;n 是 0 或 1 或其生理或药学上可接受的盐或酯。
该化合物是一种新型化合物,具有出色的抗菌活性。